Avtech AVR-AHF-1-B series Скачать руководство пользователя | Manualshive

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PCB 158R4 - LOW VOLTAGE POWER SUPPLY

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Содержание AVR-AHF-1-B series

Страница 1: ...T R O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 P O BOX 265 OGDENSBURG NY U S A 13669 0265 TEL 888 670 8729 USA Canada or 1 613 686 6675 Intl FAX...

Страница 2: ...ace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or ratings This warranty is the ext...

Страница 3: ...ION 11 VISUAL CHECK 11 POWER RATINGS 11 CONNECTION TO THE POWER SUPPLY 11 PROTECTION FROM ELECTRIC SHOCK 12 ENVIRONMENTAL CONDITIONS 13 LABVIEW DRIVERS 13 FUSES 14 AC FUSE REPLACEMENT 14 DC FUSE REPLA...

Страница 4: ...33 PCB 158R4 LOW VOLTAGE POWER SUPPLY 34 PCB 197G HIGH VOLTAGE DC POWER SUPPLY DISCHARGE 35 PCB 183A S AND 183A P CAPACITOR BANKS 36 PCB 156D POLARITY CONTROL BOARD PN UNITS ONLY 37 PCB 104F KEYPAD DI...

Страница 5: ...adjust knob control of the output pulse parameters along with a four line by 40 character backlit LCD display of the output amplitude pulse width pulse repetition frequency and delay The instrument i...

Страница 6: ...allowing the instrument to be remotely controlled using the VXI 11 3 ssh secure shell telnet and http web protocols In particular the VXI 11 3 features allows software like LabView to control an inst...

Страница 7: ...0 seconds for all trigger modes including external trigger Sync output 3 Volts 50 ns will drive 50 Ohm loads Gate input Synchronous or asynchronous active high or low switchable Suppresses triggering...

Страница 8: ...g Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shield...

Страница 9: ...under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations greater than the listed maximum...

Страница 10: ...ecycling activities to local governments and financing of recycling activities FIRMWARE LICENSING Instruments with firmware versions 5 00 or higher use open source software internally Some of this sof...

Страница 11: ...rmal single phase supply CONNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed male socket is provided on the back panel for AC power connection to the instrument One end of the detachable...

Страница 12: ...ors are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from the...

Страница 13: ...C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluctuations up to 10 of the nominal voltage 6 no pollution or only dry non conductive pollution LABVIEW DRIVERS A LabVIEW...

Страница 14: ...the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer ma...

Страница 15: ...g Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 115 V 1 6A 250V Time Delay 5 20 mm 021801 6HXP F2424 ND 230 V 0 8A 250V Time Delay 5 20 mm 0218 800HXP F241...

Страница 16: ...abled for about 5 seconds after which the instrument will attempt to re enable the output i e light green for about 1 second If the overload condition persists the output will be disabled again i e li...

Страница 17: ...this increases the setting by a factor of ten 10 If one of the adjustable numeric parameters is displayed this decreases the setting by a factor of ten If one of the adjustable numeric parameters is...

Страница 18: ...of the instrument This input can be either active high or active low depending on the front panel settings or programming commands The instrument triggers normally when this input is unconnected When...

Страница 19: ...g It may be necessary to send a few return characters before attempting a login in order to provide enough data to allow this auto sensing to work A standard Linux agetty process is used to implement...

Страница 20: ...sitive value the SYNC pulse precedes the OUT pulse When the delay is set to a negative value the SYNC pulse follows the OUT pulse These pulses are illustrated below assuming internal triggering and a...

Страница 21: ...th approximately and the delay circuit is bypassed Figure D The delay pulse width and frequency when in the internal mode of the OUT pulse can be varied with front panel controls or via the GPIB or RS...

Страница 22: ...UT the output pulse width equals the pulse width of the trigger signal on the TRIG connector The instrument must be in the external trigger mode These modes can be selected using the front panel pulse...

Страница 23: ...e in parallel with the high impedance load as close to the load as possible in order to provide a proper termination for any transmission lines used Alternatively a 50 Ohm resistance may be added in s...

Страница 24: ...ross this load The load resistor must have a voltage rating of at least 250V The power dissipated in the resistor is given by P V2 R PW T V2 R PW f where V is the output voltage R is the load resistan...

Страница 25: ...the delay is set at 100 ns The arrow pointer should be pointing at the Normal choice If it is not press MOVE until it is Press CHANGE to return to the main menu 6 To set the pulse width to 500 ns Pres...

Страница 26: ...V pulses Rotate the ADJUST knob The amplitude as seen on the oscilloscope should vary Reduce the amplitude to 50V or 50V for N instruments using the adjust knob For PN units only Change the output pol...

Страница 27: ...ns on the output For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off all triggering pulse width 500 ns sets the pulse width to...

Страница 28: ...ue EXTernal DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate AMPLitude numeric value EXTernal PROTection TRIPped query only...

Страница 29: ...Nual HOLD IMMediate CLS no query form ESE numeric value ESR query only IDN query only OPC SAV 0 1 2 3 no query form RCL 0 1 2 3 no query form RST no query form SRE numeric value STB query only TST que...

Страница 30: ...factory for repair Service is to be performed solely by qualified service personnel Caution High voltages are present inside the instrument during normal operation Do not operate the instrument with t...

Страница 31: ...s recommended TRIGGER DAMAGE The rear panel TRIG input used in the external trigger mode is protected by a diode clamping circuit However the protection circuit is not foolproof and it is possible for...

Страница 32: ...PCB104D KEYPADBOARD B UNITS ONLY Chassisgroundpost G1 G2 B1 RED G4 G3 L N G X2 CORCOM 6EGG1 2 POWERENTRY M ODULE 1 1b 1a 2 2b 2a X1 POWERSWITCH SW325 ND CW INDUSTRIES GRS 4022 0013 A1 BROWN A2 BLUE A...

Страница 33: ...NOOLO POS OLO POS OLO 20 AWG 24 AWG NEGOLO GND OLOGND 20 OR 24 AWG CA P BA NK GN D HI EXT PS NE GIN GN D GN D DC IN DC IN DC IN GN D GN D GN D 20 AWG PCB 158R4 HI EXT PS GN D J1 J2 J3 J4 J6 J8 J10 GN...

Страница 34: ...PCB 158R4 LOW VOLTAGE POWER SUPPLY...

Страница 35: ...PCB 197G HIGH VOLTAGE DC POWER SUPPLY DISCHARGE...

Страница 36: ...D Mfg 7200 4 40 thread standoff 3 8 X8 HV WARNING X9 HV WARNING X11 HV WARNING R1 R2 R3 R4 R5 R6 1 2 J1 HV 1 2 J2 HV 1 2 J3 GND 1 2 J4 GND P1 P2 P3 N1 N2 N3 R7 R8 R9 R10 1 2 J5 HV 1 2 J6 HV 1 2 J7 GND...

Страница 37: ...2 3K R2 0 10K R1 7 1K R1 1 1K SMA1 NTRIG SMA2 PTR IG 1 2 3 4 5 6 K1 AQV2 21 R3 1 300 3 2 1 8 4 U1 A LM358 C1 0 1uF 15 V 5 6 7 U1 B LM358 CC W W CW R4 5K PMAX R3 4 7K CC W W CW R6 5K NMAX R5 4 7K C2 0...

Страница 38: ...2015 ddb Documents Panelbrd prj PANELTOP LEVELSCHEMATIC 1 2 3 4 5 6 7 8 9 10 J5 Amp 54999 10 1 10 pin straight head er I2C_INT SC L SDA GND VC C SINGLE PULSE BACKLIGHT ENCODER ENCODER S CH I2C_INT SC...

Страница 39: ...UST HAVE A IN P N VC C 1A 1B X2 82 101 71 1 b utton keypad 1 2 U4 A MM74HC 14N 11 10 U1 E MM74HC 14N SINGLE PULSE VC C VC C C1 0 2 2uF C1 1 2 2uF C1 2 2 2uF C9 2 2uF C7 2 2uF C6 2 2uF C1 2 2uF 3 4 U4...

Страница 40: ...DA SC L VC C VC C GND VC C VC C C5 0 1uF 1 2 U1 A MM74HC 14N 13 12 U1 F MM74HC 14N 5 6 U1 C MM74HC 14N PAD3 LED PAD4 LED X3 4 40 MOUNT X1 4 40 MOUNT X9 4 40 MOUNT X8 4 40 MOUNT 3 4 U1 B MM74HC 14N LC...

Страница 41: ...GN D TR IG AU X GN D VF NO C NC SW NO C NC AMP LAN OLIMEX 295C BD2 OP1B MAINBOARD PCB 295C HV HV GND GND 197G R1 R2 R3 R4 R5 R6 R7 POS VERSION HAS D2 4 5 7 NORMORIENT R26 R27 UNUSED R24 R25 R8 R14 18...

Страница 42: ...IG N 15 6 USE 8414K ND 6 32 1 2 INCH STANDOFFS T O PH HARNESS X1 POLR PCB156D 2 4V NO OLO C HA NG ESN EEDO NPC B156C 1 R 32 R35 100KOY CHS GND USE 1 2 ST ANDOFFS P1 P3 N1 N3 33uF 400V P7519 ND R7 R10...

Страница 43: ...PERFORMANCE CHECK SHEET 43...

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